Exam 12: Lipids and Cell Membranes

Some proteins are anchored to the membrane by being covalently attached to a _______________ group by a thioester linkage to a specific (non-C-terminal)cysteine residue.

Which of the following helps regulate membrane fluidity in animals?

How are lipid bilayers formed? What is/are the driving forces?

What membrane components contain carbohydrates?

The rate of diffusion is such that a phospholipid molecule can travel from one end of a bacterium to the other in _______________ of time.

Hydrophobic molecules can be covalently attached to proteins to increase membrane association.Type(s)of group(s)include

Draw the structure of sphingomyelin,and label the linkages in this structure.

What force(s)stabilize(s)the lipid bilayers?

The temperature at which a phospholipid membrane transitions from a rigid to a fluid state is referred to as _______________.

Eukaryotic cells are distinguished from prokaryotic cells by the presence of membranes inside the cell that form internal compartments.What are some examples?